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Question

Based on the diagram, identify the structure.

148026_9167b21825cb46e7abc5b6331cfdd57f.png

A
It is an arecheocyte.
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B
It is a gemmule.
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C
It is an amoebocyte.
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D
It is a spicule.
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Solution

The correct option is B It is a gemmule.
It is a gemmule. Gemmule is a special body found in sponges and are involved in asexual reproduction. It is a mass of cells, that is capable of developing into a new organism i.e., an adult sponge. They are resistant to dessication (drying out), freezing, and anoxia (lack of oxygen) and allows to survive in harsh condition.
Hence the correct option is B.

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